shell 腳本檢測密碼，5次錯誤則中止

檢測密碼，5次錯誤則中止腳本，退出bash #!/bin/bashmarkdown num=5spa PASSWD=123456blog sum=0input while true博客 doit read -p "please input your passwd: " passwdclass sum=$((sum+1))perl if [ $passwd == $PASSWD ];then密碼  

>>阅读原文<<